Biology B2: Cell Division - Meiosis 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: jamesmarkwallisCreated on: 06-05-15 19:59 How many Chromosomes do gametes have? Half the usual. Usual = 46, so they have 23 chromosomes! 1 of 7 How many divisions does meiosis involve? 2 2 of 7 What cells do meiosis produce? Meiosis produces cells which have HALF the normal number of chromosomes 3 of 7 What happens before the cell begins to divide? It duplicates it's DNA 4 of 7 What happens in the first division of the cells? The chromosomes line up in the centre of the cell 5 of 7 What happens after this? The pairs are then pulled apart, and divide again. They line up in the middle of the cell, then the arms of the chromosomes are then pulled apart 6 of 7 How many gametes do you end up with? Thor! Four...... 7 of 7
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